<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        button{
            color: rgb(255, 255, 255);
            background-color: rgb(255, 125, 50);
            width: 70px;
            height: 40px;
            border: none;
            font-size: 16px;
        }
        input{
            width: 540px;
            height: 30px;
            border: 3px solid rgb(255, 125, 50);
        }
       
    </style>
</head>
<body>
    <input type="text" placeholder="流行"> <button>搜索</button>
</body>
</html>